Answer:
see explanation
Step-by-step explanation:
Given x varies directly as y then the equation relating them is
x = ky ← k is the constant of variation
To find k use the condition x = 9 when y = 4
k = = = 2.25
x = 2.25y ← equation of variation
When y = 8, then
x = 2.25 × 8 = 18
The answer is A
-2 with a multi. of 2
4 with a multi. of 1
-1 with a multi. of 3
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c
629
l x w
25x14
4x7
12x18
5x7